CN104346722A - Mobile payment terminal supporting Bluetooth communication and work method of mobile payment terminal - Google Patents

Abstract

The invention relates to a mobile payment terminal supporting bluetooth communication and its working method. The terminal includes: a USB interface module, a battery module, a power management module, a card reading module, a central control module, a bluetooth module and an interaction module. Wherein, the USB interface module and the Bluetooth module are used to send and receive transaction data for the central control module; the power management module is used to convert the USB bus input voltage of the USB bus input power into a terminal working voltage when the USB bus input power is obtained , using the terminal working voltage to supply power to the card reading module, the central control module, the Bluetooth module, and the interaction module; when the battery power of the battery module is obtained, the battery voltage of the battery power is converted The terminal working voltage is used to supply power to the card reading module, the central control module, the bluetooth module and the interaction module, so as to ensure the normal operation of the mobile payment terminal.

Description

A mobile payment terminal supporting bluetooth communication and its working method

technical field

The invention belongs to the field of mobile payment terminals, and in particular relates to a mobile payment terminal supporting bluetooth communication and a working method thereof.

Background technique

With the development of mobile and Internet technology, as well as smart terminals, mobile payment terminals that provide consumers and merchants with card online payment and micro-card counter acquiring solutions have emerged. At present, after the above-mentioned mobile payment terminal is connected to a computer or a smart mobile device, it reads the relevant information of the financial card and initiates a transaction. All transaction information is processed between the mobile payment terminal and the background server, and the transaction does not land on the computer or smart mobile device. , to ensure the security of payment. However, at present, most of the above-mentioned mobile payment terminals are connected to computers or smart mobile devices for communication through USB interfaces, and cannot support Bluetooth communication, which limits the development of mobile payment terminals to a large extent.

Contents of the invention

The present invention overcomes the technical problem that the mobile payment terminal cannot support Bluetooth communication in the prior art. The present invention provides a mobile payment terminal supporting Bluetooth communication and its working method. The terminal includes:

USB interface module, battery module, power management module, card reader module, central control module, Bluetooth module, interactive module;

The USB interface module is connected to the battery module, the power management module, and the central control module, and is used to provide USB bus input power for the battery module, provide USB bus input power for the power management module, sending and receiving transaction data for the central control module;

The battery module is connected to the USB interface module and the power management module, and is used to receive the input power of the USB bus for charging and provide battery power for the power management module;

The power management module is connected to the USB interface module, the battery module, the card reader module, the central control module, the Bluetooth module, and the interaction module, and is used to obtain the input power of the USB bus , the USB bus input voltage is converted into a terminal operating voltage, and the terminal operating voltage is used to supply power for the card reading module, the central control module, the Bluetooth module, and the interactive module;

When the battery power is obtained, the battery voltage is converted into a terminal operating voltage, and the terminal operating voltage is used to supply power to the card reading module, the central control module, the Bluetooth module, and the interactive module;

The Bluetooth module is connected to the power management module and the central control module, and is used to send and receive transaction data for the central control module when the terminal working voltage is obtained;

The card reading module is connected to the power management module and the central control module, and is used to read financial card information for the central control module when the terminal working voltage is obtained;

The interaction module is connected to the power management module and the central control module, and is used to obtain user input information for the central control module when the terminal working voltage is obtained;

The central control module is connected to the power management module, the USB interface module, the card reader module, the Bluetooth module, and the interaction module, and is used to obtain the transaction when the operating voltage of the terminal is obtained. data, obtain financial card information, and obtain user input information.

The working method of the terminal includes:

Step s1: Power on and initialize, reset each flag, power on the Bluetooth module, configure the Bluetooth module, and enable the communication interruption service;

When it is detected that the USB interface module is connected or disconnected from the host computer, the USB communication interruption service is triggered, and when detecting whether the power supply voltage of the USB interface module is high level, if it is high level, then open the USB data receiving Interrupt service, set USB communication flag, if it is low level, then reset USB communication flag; Whether the feedback voltage is low level, if it is low level, turn on the bluetooth data receiving interrupt service, set the bluetooth communication flag, otherwise, reset the bluetooth communication flag;

When the USB interface module has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, and when the request transaction data is obtained, the USB receiving flag is set, and when the request is not obtained When trading data, reset the USB receiving flag; when the Bluetooth module has a data packet incoming and the data packet is legal, the Bluetooth data receiving interrupt service is triggered, when the request transaction data is obtained, the Bluetooth receiving flag is set, and when the data packet is not obtained When requesting transaction data, reset the Bluetooth receiving flag;

Step s2: Open the scheduled card reading interrupt service to obtain the card identification value;

Step s3: check whether the USB communication flag is set, if the USB communication flag is set, check whether the USB receive flag is set, if the USB receive flag is set, reset the USB receive flag, set the USB return flag, Execute step s4, if the USB receiving flag is not set, then return to step s3, if the USB communication flag is not set, then check whether the Bluetooth communication flag is set, if the Bluetooth communication flag is set, then check the Bluetooth receiving flag Whether it is set, if the bluetooth receiving flag is set, reset the bluetooth receiving flag, set the bluetooth return flag, execute step s4, if the bluetooth receiving flag is not set, return to step s3, if the bluetooth communication flag is not set bit, return to step s3;

Step s4: Obtain the resulting transaction data according to the card identification value;

Step s5: Check whether the USB return flag is set, if so, reset the USB return flag, return the result transaction data to the host computer through the USB interface module, and perform step s6, otherwise, check whether the Bluetooth return flag is set Setting, if yes, then reset the bluetooth return sign, return the result transaction data to the host computer by the bluetooth module, perform step s7, if the bluetooth return sign is not set, then perform step s7;

Step s6: Check whether the USB communication flag is set, if yes, return to step s3, otherwise close the USB data receiving interrupt service, reset the USB flags, and return to step s3;

Step s7: Check whether the bluetooth communication flag is set, if yes, return to step s3, otherwise close the bluetooth data receiving interrupt service, reset the bluetooth flags, and return to step s3.

Or the working method of the terminal, including:

Step y1: Power-on initialization, reset each flag, control the Bluetooth module to be powered on, configure the Bluetooth module, and enable the communication interruption service;

When it is detected that the USB interface module is connected or disconnected from the host computer, the USB communication interruption service is triggered, and when detecting whether the power supply voltage of the USB interface module is high level, if it is high level, then open the USB data receiving Interrupt service, set USB communication flag, if it is low level, then reset USB communication flag; Whether the feedback voltage is low level, if it is low level, turn on the bluetooth data receiving interrupt service, set the bluetooth communication flag, otherwise, reset the bluetooth communication flag;

When the USB interface module has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, and when the request transaction data is obtained, the USB receiving flag is set, and when the request is not obtained When trading data, reset the USB receiving flag; when the Bluetooth module has a data packet incoming and the data packet is legal, the Bluetooth data receiving interrupt service is triggered, when the request transaction data is obtained, the Bluetooth receiving flag is set, and when the data packet is not obtained When requesting transaction data, reset the Bluetooth receiving flag;

Step y2: Open the scheduled card reading interrupt service to obtain the card identification value;

Step y3: Check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB return flag, and execute step y4, otherwise check whether the Bluetooth receiving flag is set, if the Bluetooth receiving flag is set, then Reset the bluetooth receive flag, set the bluetooth return flag, execute step y4, if the bluetooth receive flag is not set, return to step y3;

Step y4: Obtain the resulting transaction data according to the card identification value;

Step y5: Check whether the USB return flag is set, if so, reset the USB return flag, return the result transaction data to the host computer through the USB interface module, and execute step y6, otherwise, check whether the Bluetooth return flag is set Setting, if yes, then reset the bluetooth return sign, return the result transaction data to the host computer by the bluetooth module, perform step y7, if the bluetooth return sign is not set, then perform step y7;

Step y6: Check whether the USB communication flag is set, if yes, return to step y3, otherwise close the USB data receiving interrupt service, reset the USB flags, and return to step y3;

Step y7: Check whether the bluetooth communication flag is set, if yes, return to step y3, otherwise close the bluetooth data receiving interrupt service, reset the bluetooth flags, and return to step y3.

The beneficial effects of the present invention are: the present invention provides a mobile payment terminal supporting bluetooth communication and its working method. The mobile payment terminal includes a Bluetooth module, which enables the mobile payment terminal to support Bluetooth communication. Meanwhile, the present invention improves the power supply system of the mobile payment terminal to ensure the normal operation of the mobile payment terminal.

Description of drawings

FIG. 1 is a schematic structural diagram of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 2 of the present invention;

FIG. 3 is a schematic structural diagram of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 3 of the present invention;

FIG. 4 is a schematic structural diagram of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 4 of the present invention;

5 is a flowchart of a working method of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 5 of the present invention;

FIG. 6 is a flowchart of a working method of a mobile payment terminal supporting Bluetooth communication provided by Embodiment 7 of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Embodiment 1 of the present invention provides a mobile payment terminal supporting Bluetooth communication. As shown in FIG. 50. Bluetooth module 60, interactive module 70;

The USB interface module 10 is connected to the battery module 20, the power management module 30, and the central control module 50, and is used to provide USB bus input power for the power management module and the battery module when connected to an external power supply device;

When connected to the host computer, it provides USB bus input power for the power management module 30 and the battery module 20 , and sends and receives transaction data for the central control module 50 .

In this implementation, when the USB interface module 10 is connected to an external power supply device or a host computer, the USB bus input voltage of the obtained USB bus input power is 5V. When the USB interface module 10 is not connected to an external power supply device or is not connected to a host computer When connected to a computer, the USB bus input voltage of the obtained USB bus input power is almost 0V.

Wherein, the external power supply device may be a mobile power supply, a power supply socket, etc., and the upper computer may be a computer or an intelligent mobile device, etc.

The battery module 20 is connected to the USB interface module 10 and the power management module 30 , and is used to receive the power input from the USB bus for charging and supply power to the power management module 30 .

In this embodiment, the battery voltage of the battery power provided by the battery module 20 may be 4.2V.

The power management module 30 is connected with the USB interface module 10, the battery module 20, the card reader module 40, the central control module 50, the bluetooth module 60, and the interaction module 70, and is used to input the obtained USB bus power or the obtained battery power Convert to the terminal operating voltage, and use the terminal operating voltage to provide power supply for the card reading module 40, the central control module 50, the Bluetooth module 60, and the interactive module 70;

Specifically, when the USB interface module 10 is connected to an external power supply device or a host computer, the power management module 30 obtains the USB bus input power through the USB interface module 10, converts the USB bus input voltage into a terminal operating voltage, and uses the terminal operating voltage as The card reading module 40, the central control module 50, the bluetooth module 60, and the interactive module 70 provide power supply. When the USB interface module 10 is not connected to the external power supply device or the host computer, the power management module 30 obtains the battery power provided by the battery module 20, and the The battery voltage is converted into the terminal operating voltage, and the terminal operating voltage is used to provide power supply for the card reading module 40, the central control module 50, the Bluetooth module 60, and the interactive module 70;

In this embodiment, the terminal operating voltage may be 3.3V.

The card reading module 40 is connected with the power management module 30 and the central control module 50 for reading financial card information for the central control module 50 .

The central control module 50 is connected to the USB interface module 10, the power management module 30, the card reading module 40, the bluetooth module 60, and the interaction module 70, and is used to obtain transaction data, obtain financial card information, and obtain user input information;

Specifically, when the central control module 50 obtains the terminal operating voltage, it sends and receives transaction data through the USB interface module 10 or the Bluetooth module 60, obtains financial card information through the card reading module 40, and obtains user input information through the interaction module 70;

The bluetooth module 60 is connected with the power management module 30 and the central control module 50, and is used for sending and receiving transaction data for the central control module 50 when the terminal working voltage is obtained.

The interaction module 70 is connected with the power management module 30 and the central control module 50, and is used to provide the central control module 50 with user input information when the terminal operating voltage is obtained.

Example 2

Embodiment 2 of the present invention provides a mobile payment terminal supporting Bluetooth communication, and Embodiment 2 is a specific implementation of Embodiment 1. Wherein, a specific implementation manner, as shown in FIG. 2, the terminal includes: a USB interface module 10, a battery module 20, a power management module 30, a card reading module 40, a central control module 50, a Bluetooth module 60, and an interaction module 70 ;

Wherein, the battery module 20 includes: a charging management unit 20-1-1, a battery unit 20-1-2;

The power management module 30 includes: a power supply automatic switching unit 30-1-1, a voltage conversion unit 30-1-2;

The card reading module 40 includes: a contactless card power supply unit 40-1-1, a contactless card reading unit 40-1-2, a contact card power supply unit 40-1-3, and a contact card reading unit 40-1-4;

Bluetooth module 60 includes: Bluetooth power supply unit 60-1-1, Bluetooth unit 60-1-2;

The interaction module 70 includes: a display unit 70-1-1, an input unit 70-1-2;

Wherein, the charging management unit 20-1-1 is connected with the USB interface module 10 and the battery unit 20-1-2, and is used to manage the charging of the battery unit 20-1-2; the battery unit 20-1-2, and the charging management unit 20-1-1. The automatic power supply switching unit 30-1-1 is connected to provide battery power to the automatic power supply switching unit 30-1-1;

In this embodiment, the battery unit may be a storage battery, and the battery voltage of the battery power provided may be 4.2V.

The power supply automatic switching unit 30-1-1 is connected with the USB interface module 10, the battery unit 20-1-2, and the voltage conversion unit 30-1-2, and is used to compare the USB bus input voltage and the battery voltage. When the USB bus input voltage When it is higher than the battery voltage, switch the USB bus input power to supply power to the voltage conversion unit 30-1-2 and isolate the USB bus input power delivered to the battery unit 20-1-2; when the USB bus input voltage is lower than the battery voltage, switch The battery power supplies power for the voltage conversion unit 30-1-2, and isolates the battery power delivered to the USB interface module 10; the voltage conversion unit 30-1-2, and the power supply automatic switching unit 30-1-1, and the contactless card power supply unit 40-1-1, contact card power supply unit 40-1-3, Bluetooth power supply unit 60-1-1, display unit 70-1-1, input unit 70-1-2, and central control module 50 are connected for when When the USB bus input power or battery power is obtained, the USB bus input voltage or battery voltage is converted into a terminal operating voltage, and the terminal operating voltage is used for the contactless card power supply unit 40-1-1 and the contact card power supply unit 40-1-3 , Bluetooth power supply unit 60-1-1, display unit 70-1-1, input unit 70-1-2, and central control module 50 provide power supply;

In this embodiment, the terminal operating voltage may be 3.3V.

In Embodiment 2, the power management module 30 may specifically include: an automatic power supply switching unit 30-1-1, a voltage conversion unit 30-1-2, and a switching unit;

The power supply automatic switching unit 30-1-1 is connected with the USB interface module 10, the battery unit 20-1-2, and the switch unit, and is used to compare the USB bus input voltage and the battery voltage. When the USB bus input voltage is higher than the battery voltage , switch the USB bus input power to supply power to the switch unit and isolate the USB bus input power delivered to the battery unit 20-1-2; when the USB bus input voltage is lower than the battery voltage, switch the battery power to supply power to the switch unit and isolate the USB The battery power delivered by the interface module 10;

Voltage conversion unit 30-1-2, and switch unit, contactless card power supply unit 40-1-1, contact card power supply unit 40-1-3, Bluetooth power supply unit 60-1-1, display unit 70-1-1 , the input unit 70-1-2, and the central control module 50 are connected, and are used to convert the USB bus input voltage or the battery voltage into the terminal operating voltage when the USB bus input power or battery power is obtained through the switch unit, and use the terminal working voltage It is the contactless card power supply unit 40-1-1, the contact card power supply unit 40-1-3, the Bluetooth power supply unit 60-1-1, the display unit 70-1-1, the input unit 70-1-2, and the central control module 50 provides power supply;

The switch unit is connected to the power supply automatic switching unit 30-1-1 and the voltage conversion unit 30-1-2, and is used to switch the power supply automatic switching unit 30-1-1 and the voltage conversion unit 30-1-2 when triggered. Open state and closed state of the circuit between 2 units.

For example, when the switch unit is triggered, the circuit state between the power supply automatic switching unit 30-1-1 and the voltage conversion unit 30-1-2 is switched from an open state to a closed state. The state of the circuit between the automatic switching unit 30-1-1 and the voltage conversion unit 30-1-2 is switched from a closed state to an open state.

In Embodiment 2, the power management module 30 may specifically include: a power supply automatic switching unit 30-1-1, a voltage conversion unit 30-1-2, a switch unit, and a voltage isolation unit;

Wherein, the power supply automatic switching unit 30-1-1 is connected with the USB interface module 10, the battery unit 20-1-2, the voltage conversion unit 30-1-2, and the switch unit, and is used to compare the USB bus input voltage and the battery voltage, When the USB bus input voltage is higher than the battery voltage, switch the USB bus input power to supply power to the voltage conversion unit 30-1-2 and supply power to the switch unit and isolate the USB bus input power delivered to the battery unit 20-1-2, when the USB When the bus input voltage is lower than the battery voltage, switch the battery power to supply power to the voltage conversion unit 30-1-2 and supply power to the switching unit and isolate the battery power delivered to the USB interface module 10;

Voltage conversion unit 30-1-2, and power supply automatic switching unit 30-1-1, switch unit, voltage isolation unit, contactless card power supply unit 40-1-1, contact card power supply unit 40-1-3, Bluetooth power supply The unit 60-1-1, the display unit 70-1-1, the input unit 70-1-2, and the central control module 50 are connected to each other, and are used to obtain the input power of the USB bus through the power supply automatic switching unit 30-1-1, The USB bus input power is used as the USB power supply power. When the USB bus input power is obtained through the switch unit or through the voltage isolation unit, the USB bus input power is used as the USB enabled power or when it is obtained through the power supply automatic switching unit 30-1-1 When the battery power is obtained, the battery power is used as the battery power supply power, and when the battery power is obtained through the switch unit, the battery power is used as the battery enabling power. When the USB power supply power and USB enable power are obtained or when the battery power supply and battery enable power are obtained, the USB bus input voltage or the battery voltage is converted into a terminal working voltage, and the terminal working voltage is used as the contactless card power supply unit 40-1-1, contact card power supply unit 40-1-3, Bluetooth power supply unit 60-1-1, display unit 70-1-1, input unit 70-1-2, and central control module 50 provide power supply;

The switch unit is connected to the power supply automatic switching unit 30-1-1, the voltage conversion unit 30-1-2, and the voltage isolation unit, and is used to switch the power supply automatic switching unit 30-1-1 and the voltage conversion unit 30 when triggered -The disconnected state and closed state of the circuit between the 1-2 units, when the circuit state is a closed state, transfer the USB bus input power to the voltage conversion unit 30-1-2 and the voltage isolation unit or to the voltage conversion unit 30-1 -2 and voltage isolation unit pass battery power.

For example, when the switch unit is triggered, the circuit state between the power supply automatic switching unit 30-1-1 and the voltage conversion unit 30-1-2 is switched from an open state to a closed state, and when the circuit state is a closed state, Transfer the USB bus input power from the power supply automatic switching unit 30-1-1 to the voltage conversion unit 30-1-2 and the voltage isolation unit or transfer the automatic switching from the power supply to the voltage conversion unit 30-1-2 and the voltage isolation unit Battery level from unit 30-1-1. When triggered next time, the state of the circuit between the automatic power supply switching unit 30-1-1 and the voltage conversion unit 30-1-2 is switched from the closed state to the open state.

The voltage isolation unit is connected to the USB interface module 10, the voltage conversion unit 30-1-2, and the switch unit, and is used to isolate the battery power from the switch unit to the USB interface module 10 when the battery power is obtained through the switch unit or when the battery power is obtained through the switch unit. When the unit obtains the USB bus input power, it isolates the USB bus input power in the direction of the USB interface module 10 through the switch unit, and when receiving the USB bus input power through the USB interface module 10, transfers the USB bus to the voltage conversion unit 30-1-2 Enter power.

The contactless card power supply unit 40-1-1 is connected to the voltage conversion unit 30-1-2, the contactless card reader unit 40-1-2, and the central control module 50, for when the voltage conversion unit 30-1 is obtained When the terminal operating voltage is provided by -2, it accepts the control of the non-contact control signal sent by the central control module 50 to provide power to the non-contact card reading unit 40-1-2. The contactless card reading unit 40-1-2 is connected with the contactless card power supply unit 40-1-1 and the central control module 50, and is used to receive the power supply provided by the contactless card power supply unit 40-1-1 for the central control The module 50 reads the information of the contactless financial card. The contact card power supply unit 40-1-3 is connected with the voltage conversion unit 30-1-2, the contact card reader unit 40-1-4, and the central control module 50, for when the voltage conversion unit 30-1-2 is obtained When the terminal working voltage is provided, it accepts the control of the contact control signal sent by the central control module 50 to supply power to the contact card reading unit 40-1-4. The contact card reading unit 40-1-4 is connected with the contact card power supply unit 40-1-3 and the central control module 50, and is used to accept the power supply of the contact card power supply unit 40-1-3 for the central control module 50 to read Receive financial contact card information.

The Bluetooth power supply unit 60-1-1 is connected to the voltage conversion unit 30-1-2, the Bluetooth unit 60-1-2, and the central control module 50, and is used for terminal work provided by the voltage conversion unit 30-1-2 voltage, accept the Bluetooth control signal sent by the central control module 50 to provide power to the Bluetooth unit 60-1-2. The bluetooth unit 60-1-2 is connected with the bluetooth power supply unit 60-1-1 and the central control module 50, and is used to receive the power provided by the bluetooth power supply unit 60-1-1, and send and receive transaction data for the central control module 50.

The display unit 70-1-1 is connected to the voltage conversion unit 30-1-2 and the central control module 50, and is used to receive the input from the central control module 50 when the terminal operating voltage provided by the voltage conversion unit 30-1-2 is obtained. The control output information sent by the display control signal. The input unit 70-1-2 is connected to the voltage conversion unit 30-1-2 and the central control module 50, and is used to send the terminal operating voltage to the central control module 50 when the terminal operating voltage provided by the voltage conversion unit 30-1-2 is obtained. User enters information.

It should be noted that the terminal described in Embodiment 2 may also specifically include: a USB interface module, a battery module, a power management module, a card reading module, a central control module, a Bluetooth module, and an interactive module;

Wherein, the battery module includes: a charging management unit and a battery unit;

Among them, the power management module includes: a power supply automatic switching unit and a voltage conversion unit;

The card reading module includes: non-contact card reading unit, contact card reading unit;

The interactive module includes: display unit, input unit;

Wherein, the charging management unit is connected with the USB interface module and the battery unit, and is used to manage the charging of the battery unit; the battery unit is connected with the charging management unit, and the automatic power supply switching unit, and is used for providing battery power to the automatic power supply switching unit;

The power supply automatic switching unit is connected with the USB interface module, the battery unit and the voltage conversion unit, and is used to compare the USB bus input voltage and the battery voltage. When the USB bus input voltage is higher than the battery voltage, switch the USB bus input power to supply power for the voltage conversion unit And isolate the USB bus input power delivered to the battery unit, when the USB bus input voltage is lower than the battery voltage, switch the battery power to supply power to the voltage conversion unit and isolate the battery power delivered to the USB interface module;

The voltage conversion unit is connected with the power supply automatic switching unit, the contactless card reading unit, the contact card reading unit, the Bluetooth module, the display unit, the input unit, and the central control module, and is used to convert the USB bus input voltage or battery voltage to the terminal Working voltage, use terminal working voltage to provide power supply for contactless card reading unit, contact card reading unit, bluetooth module, display unit, input unit and central control module;

The non-contact card reading unit is connected with the voltage conversion unit and the central control module, and is used to read the financial non-contact card information for the central control module; the contact card reading unit is connected with the voltage conversion unit and the central control module, and is used for Read the financial contact card information for the central control module.

The Bluetooth module is connected with the voltage conversion unit and the central control module, and is used for sending and receiving transaction data for the central control module when the terminal working voltage provided by the voltage conversion unit is obtained.

The display unit is connected with the voltage conversion unit and the central control module, and is used for receiving the control output information of the display control signal sent by the central control module when receiving the terminal working voltage provided by the voltage conversion unit. The input unit is connected to the voltage conversion unit and the central control module, and is used to send user input information to the central control module when the terminal operating voltage provided by the voltage conversion unit is acquired.

Example 3

Embodiment 3 of the present invention provides a mobile payment terminal supporting Bluetooth communication. As shown in FIG. Module 50, bluetooth module 60, interactive module 70;

Wherein, the battery module 20 includes: a charging management unit 20-2-1, a battery unit 20-2-2;

The power management module 30 includes: a power supply automatic switching unit 30-2-1, a voltage conversion unit 30-2-2, a boot unit 30-2-3, and a voltage isolation unit 30-2-4;

The card reading module 40 includes: a contactless card power supply unit 40-2-1, a contactless card reading unit 40-2-2, a contact card power supply unit 40-2-3, and a contact card reading unit 40-2-4;

Bluetooth module 60 includes: Bluetooth power supply unit 60-2-1, Bluetooth unit 60-2-2;

The interaction module 70 includes: a display unit 70-2-1, an input unit 70-2-2;

Wherein, the charging management unit 20-2-1 is connected with the USB interface module 10 and the battery unit 20-2-2, and is used to manage the charging of the battery unit 20-2-2; the battery unit 20-2-2, and the charging management unit 20-2-1. The automatic power supply switching unit 30-2-1 is connected to provide battery power to the automatic power supply switching unit 30-2-1;

In this embodiment, the battery unit 20-2-2 may be a battery, and the battery voltage of the battery power provided may be 4.2V.

The power supply automatic switching unit 30-2-1 is connected with the USB interface module 10, the battery unit 20-2-2, the voltage conversion unit 30-2-2, and the boot unit 30-2-3, and is used to compare the USB bus input voltage and Battery voltage, when the USB bus input voltage is higher than the battery voltage, switch the USB bus input power to supply power to the voltage conversion unit 30-2-2 and supply power to the switch unit 30-2-3 and isolate and transmit to the battery unit 20-2-2 When the USB bus input voltage is lower than the battery voltage, switch the battery power to supply power to the voltage conversion unit 30-2-2 and supply power to the switch unit 30-2-3 and isolate the battery delivered to the USB interface 10 module electricity;

Voltage conversion unit 30-2-2, and power supply automatic switching unit 30-2-1, boot unit 30-2-3, voltage isolation unit 30-2-4, contactless card power supply unit 40-2-1, contact card The power supply unit 40-2-3, the bluetooth power supply unit 60-2-1, the display unit 70-2-1, the input unit 70-2-2, and the central control module 50 are connected to each other for automatically switching the unit 30-2 through power supply -1 When the USB bus input power is obtained, use the USB bus input power as the USB power supply power; when the USB bus input power is obtained through the boot unit 30-2-3 or the voltage isolation unit 30-2-4, use the USB bus input power The power is used as the USB enabled power or when the battery power is obtained by the power supply automatic switching unit 30-2-1, the battery power is used as the battery power supply power, and when the battery power is obtained by the power-on unit 30-2-3, the battery power is used as the battery power. As the enabling quantity of the battery, when the power supply control signal is obtained through the voltage isolation unit 30-2-4, the control power supply signal is used as the enabling signal. Convert the USB bus input voltage or battery voltage to terminal Working voltage, terminal working voltage is contactless card power supply unit 40-2-1, contact card power supply unit 40-2-3, bluetooth power supply unit 60-2-1, display unit 70-2-1, input unit 70- 2-2. The central control module 50 provides power supply;

In this embodiment, the terminal operating voltage may be 3.3V.

The power-on unit 30-2-3 is connected to the power supply automatic switching unit 30-2-1, the voltage conversion unit 30-2-2, and the voltage isolation unit 30-2-4, and is used to automatically switch the power supply unit when triggered The state of the circuit between 30-2-1 and the voltage conversion unit 30-2-2 is switched from the disconnected state to the closed state and then restored to the disconnected state instantaneously. When the circuit state is in the closed state, the voltage conversion unit 30-2 -2 and the voltage isolation unit 30-2-4 transfer the USB bus input power from the power supply automatic switching unit 30-2-1 or transfer the power from the USB bus to the voltage conversion unit 30-2-2 and the voltage isolation unit 30-2-4. The battery power delivered by the automatic switching unit 30-2-1 for power supply.

For example, when the switch unit 30-2-3 receives the trigger, the circuit state between the power supply automatic switching unit 30-2-1 and the voltage conversion unit 30-2-2 is switched from the open state to the closed state and then restored instantaneously To the disconnected state, when the circuit state is a closed state, the USB bus input power transmitted from the power supply automatic switching unit 30-2-1 or The battery power transmitted from the automatic power supply switching unit 30-2-1 is transmitted to the voltage conversion unit 30-2-2 and the voltage isolation unit 30-2-4. When triggered next time, the state of the circuit between the automatic power supply switching unit 30-2-1 and the voltage conversion unit 30-2-2 is switched from the disconnected state to the closed state and then restored to the disconnected state instantaneously.

The voltage isolation unit 30-2-4 is connected with the USB interface module 10, the voltage conversion unit 30-2-2, the switch unit 30-2-3, and the central control module 50, and is used for obtaining the When the battery power is in use, isolate the battery power in the direction of the USB interface module 10 and the central control module 50 through the switch unit 30-2-3 or when the USB bus input power is obtained through the switch unit 30-2-3, isolate the battery power through the switch unit 30-2-3 30-2-3 Input power to the USB bus in the direction of the USB interface module 10 and the direction of the central control module 50, when receiving the USB bus input power through the USB interface module 10, transfer the USB bus input power to the voltage conversion unit 30-2-2 , when the central control module 50 receives the power supply control signal sent by the central control module 50, the power supply control signal is transmitted to the voltage conversion unit 30-2-2.

The contactless card power supply unit 40-2-1 is connected to the voltage conversion unit 30-2-2, the contactless card reader unit 40-2-2, and the central control module 50, for when the voltage conversion unit 30-2 is obtained When the terminal operating voltage provided by -2, accept the control of the contactless control signal sent by the central control module 50 to provide power supply to the contactless card reading unit 40-2-2. The contactless card reading unit 40-2-2 is connected with the contactless card power supply unit 40-2-1 and the central control module 50, and is used to receive the power supply provided by the contactless card power supply unit 40-2-1 for the central control The module 50 reads the information of the contactless financial card. The contact card power supply unit 40-2-3 is connected to the voltage conversion unit 30-2-2, the contact card reader unit 40-2-4, and the central control module 50, for when the voltage conversion unit 30-2-2 is obtained When the terminal working voltage is provided, it accepts the control of the contact control signal sent by the central control module 50 to supply power to the contact card reading unit 40-2-4. The contact card reading unit 40-2-4 is connected with the contact card power supply unit 40-2-3 and the central control module 50, and is used to accept the power supply of the contact card power supply unit 40-2-3 for the central control module 50 to read Receive financial contact card information.

The Bluetooth power supply unit 60-2-1 is connected to the voltage conversion unit 30-2-2, the Bluetooth unit 60-2-2, and the central control module 50, and is used for terminal work provided by the voltage conversion unit 30-2-2. voltage, accept the Bluetooth control signal sent by the central control module 50 to provide power to the Bluetooth unit 60-2-2. The bluetooth unit 60-2-2 is connected with the bluetooth power supply unit 60-2-1 and the central control module 50, and is used to receive the power provided by the bluetooth power supply unit 60-2-1, and send and receive transaction data for the central control module 50.

The display unit 70-2-1 is connected to the voltage conversion unit 30-2-2 and the central control module 50, and is used to accept the central control module when the terminal operating voltage provided by the voltage conversion unit 30-2-2 is obtained. 50 of the sent display control signal control output information. The input unit 70-2-2 is connected to the voltage conversion unit 30-2-2 and the central control module 50, and is used to provide the central control module with the terminal operating voltage provided by the voltage conversion unit 30-2-2. 50 Send user input information.

In Embodiment 3, the USB interface module 10 is connected to the battery module 20, the power management module 30, and the central control module 50, and is used to provide USB bus input power for the power management module and the battery module when connected to an external power supply device;

When connected to the host computer, it provides USB bus input power for the power management module and the battery module, and sends and receives transaction data for the central control module 50 .

In this implementation, when the USB interface module 10 is connected to an external power supply device or a host computer, the USB bus input voltage of the obtained USB bus input power is 5V. When the USB interface module 10 is not connected to an external power supply device or is not connected to a host computer When connected to the computer, the USB bus input voltage of the obtained USB bus input power is almost 0V.

Wherein, the external power supply device may be a mobile power supply, a power supply socket, etc., and the upper computer may be a computer or an intelligent mobile device, etc.

The central control module 50 accepts the power supply of the terminal working voltage, and is specifically used for acquiring transaction data through the USB interface module 10, acquiring financial card information such as financial contact card information and financial non-contact card information through the card reading module, and acquiring financial card information through the interaction module 70. The user inputs information, sends a power supply control signal to the power management module 30, and controls the power management module 30 to convert the USB bus input voltage or the battery voltage into a terminal operating voltage, and uses the terminal operating voltage as a power supply for the card reader module 40, the central control module 50, and the Bluetooth terminal. Module 60 and interactive module 70 provide power supply;

The power management module 30 is specifically used for, when the power management module 30 obtains the USB bus input power through the USB interface module 10, converts the USB bus input voltage into a terminal operating voltage, and uses the terminal operating voltage as the card reading module 40 and the central control module. 50. The Bluetooth module 60 and the interactive module 70 provide power supply. When the USB interface module 10 is not connected to the external power supply device or the host computer, when the power management module 30 obtains the battery power provided by the battery module 20, it first converts the battery voltage For the terminal operating voltage, use the terminal operating voltage to provide power supply for the card reading module 40, the central control module 50, the Bluetooth module 60, and the interactive module 70. When the power management module 30 also receives the power supply control signal sent by the central control module 50, accept The control of the central module 50 converts the battery voltage into a terminal operating voltage, and uses the terminal operating voltage to provide power for the card reading module 40, the central control module 50, the Bluetooth module 60, and the interactive module 70.

Example 4

Embodiment 4 of the present invention provides a mobile payment terminal supporting Bluetooth communication. As shown in FIG. Module 50, bluetooth module 60, interactive module 70;

Wherein, the battery module 20 includes: a charging management unit 20-3-1, a battery unit 20-3-2;

The power management module 30 includes: a power supply automatic switching unit 30-3-1, a voltage conversion unit 30-3-2, a boot unit 30-3-3, and a voltage isolation unit 30-3-4;

The card reading module 40 includes: a contactless card power supply unit 40-3-1, a contactless card reading unit 40-3-2, a contact card power supply unit 40-3-3, and a contact card reading unit 40-3-4;

Bluetooth module 60 includes: Bluetooth power supply unit 60-3-1, Bluetooth unit 60-3-2;

The interaction module 70 includes: a display unit 70-3-1, an input unit 70-3-2;

Wherein, the charging management unit 20-3-1 is connected with the USB interface module 10 and the battery unit 20-3-2, and is used to manage the charging of the battery unit 20-3-2; the battery unit 20-3-2, and the charging management unit 20-3-1. The automatic power supply switching unit 30-3-1 is connected to provide battery power to the automatic power supply switching unit 30-3-1;

In this embodiment, the battery unit 20-3-2 may be a storage battery, and the battery voltage of the battery power provided may be 4.2V.

The power supply automatic switching unit 30-3-1 is connected with the USB interface module 10, the battery unit 20-3-2, the voltage conversion unit 30-3-2, and the boot unit 30-3-3, and is used to compare the USB bus input voltage and Battery voltage, when the USB bus input voltage is higher than the battery voltage, switch the USB bus input power to supply power to the voltage conversion unit 30-3-2 and supply power to the boot unit 30-3-3 and isolate and transmit to the battery unit 20-3-2 When the USB bus input voltage is lower than the battery voltage, switch the battery power to supply power to the voltage conversion unit 30-3-2 and supply power to the boot unit 30-3-3 and isolate the battery delivered to the USB interface module 10 electricity;

Voltage conversion unit 30-3-2, and power supply automatic switching unit 30-3-1, boot unit 30-3-3, voltage isolation unit 30-3-4, contactless card power supply unit 40-3-1, contact card The power supply unit 40-3-3, the bluetooth power supply unit 60-3-1, the display unit 70-3-1, the input unit 70-3-2, and the central control module 50 are connected, and are used to automatically switch the unit 30-3 when the power supply is passed. -1 When the USB bus input power is obtained, the USB bus input power is used as the USB power supply power; when the USB bus input power is obtained through the boot unit 30-3-3, the USB bus input power is used as the USB enabling power; When the voltage isolation unit 30-3-4 obtains the power supply control signal, the power supply control signal is used as the enabling signal, or when the battery power is obtained through the power supply automatic switching unit 30-3-1, the battery power is used as the battery power supply power, When the battery power is obtained through the boot unit 30-3-3, the battery power is used as the battery enable power, and when the power supply control signal is obtained through the voltage isolation unit 30-3-4, the power supply control signal is used as the enable signal. When the USB power supply power and the USB enable power are obtained, or when the USB power supply power and the enable signal are obtained, or when the battery power supply power or the battery enable power is obtained, or when the battery power supply power and the enable signal are obtained signal, the USB bus input voltage or battery voltage is converted into the terminal operating voltage, and the terminal operating voltage is used as the contactless card power supply unit 40-3-1, the contact card power supply unit 40-3-3, and the Bluetooth power supply unit 60-3- 1. The display unit 70-3-1, the input unit 70-3-2, and the central control module 50 provide power supply;

In this embodiment, the terminal operating voltage may be 3.3V.

The power-on unit 30-3-3 is connected to the power supply automatic switching unit 30-3-1, the voltage conversion unit 30-3-2, and the voltage isolation unit 30-3-4, and is used to automatically switch the power supply unit when triggered The state of the circuit between 30-3-1 and the voltage conversion unit 30-3-2 is switched from the disconnected state to the closed state and then restored to the disconnected state instantaneously. When the circuit state is in the closed state, it is the voltage conversion unit 30-3 -2 and the voltage isolation unit 30-3-4 provide the USB bus input power from the power supply automatic switching unit 30-3-1 or provide the voltage conversion unit 30-3-2 and the voltage isolation unit 30-3-4 from the The battery power delivered by the automatic switching unit 30-3-1 for power supply.

For example, when the power-on unit 30-3-3 receives the trigger, the circuit state between the power supply automatic switching unit 30-3-1 and the voltage conversion unit 30-3-2 is switched from the disconnected state to the closed state and then restored instantaneously To the disconnected state, when the circuit state is a closed state, the voltage conversion unit 30-3-2 and the voltage isolation unit 30-3-4 are provided with the USB bus input power transmitted from the power supply automatic switching unit 30-3-1 or The battery power transmitted from the automatic power supply switching unit 30-3-1 is provided for the voltage conversion unit 30-3-2 and the voltage isolation unit 30-3-4. When triggered next time, the state of the circuit between the automatic power supply switching unit 30-3-1 and the voltage conversion unit 30-3-2 is switched from the disconnected state to the closed state and then restored to the disconnected state instantaneously.

The voltage isolation unit 30-3-4 is connected to the boot unit 30-3-3, the voltage conversion unit 30-3-2, and the central control module 50, and is used to isolate the The battery power of the boot unit 30-3-3 to the direction of the central control module 50 or when the USB bus input power is obtained by the boot unit 30-3-3, isolate the USB from the boot unit 30-3-3 to the direction of the central control module 50 The bus input power, when receiving the power supply control signal sent by the central control module 50 through the central control module 50, transmits the power supply control signal to the voltage conversion unit 30-3-2.

The contactless card power supply unit 40-3-1 is connected to the voltage conversion unit 30-3-2, the contactless card reader unit 40-3-2, and the central control module 50, for when the voltage conversion unit 30-3 is obtained When the terminal operating voltage is provided by -2, it accepts the control of the contactless control signal sent by the central control module 50 to provide power to the contactless card reading unit 40-3-2. The contactless card reading unit 40-3-2 is connected with the contactless card power supply unit 40-3-1 and the central control module 50 for receiving the power supply provided by the contactless card power supply unit 40-3-1 for the central control The module 50 reads the information of the contactless financial card. The contact card power supply unit 40-3-3 is connected to the voltage conversion unit 30-3-2, the contact card reader unit 40-3-4, and the central control module 50, for when the voltage conversion unit 30-3-2 is obtained When the terminal working voltage is provided, it accepts the control of the contact control signal sent by the central control module 50 to supply power to the contact card reading unit 40-3-4. The contact card reading unit 40-3-4 is connected with the contact card power supply unit 40-3-3 and the central control module 50, and is used to accept the power supply of the contact card power supply unit 40-3-3 for the central control module 50 to read Receive financial contact card information.

The Bluetooth power supply unit 60-3-1 is connected to the voltage conversion unit 30-3-2, the Bluetooth unit 60-3-2, and the central control module 50, and is used for terminal work provided by the voltage conversion unit 30-3-2. voltage, accept the Bluetooth control signal sent by the central control module 50 to provide power to the Bluetooth unit 60-3-2. The bluetooth unit 60-3-2 is connected with the bluetooth power supply unit 60-3-1 and the central control module 50, and is used to receive the power provided by the bluetooth power supply unit 60-3-1, and send and receive transaction data for the central control module 50.

The display unit 70-3-1 is connected to the voltage conversion unit 30-3-2 and the central control module 50, and is used to receive the input from the central control module 50 when the terminal operating voltage provided by the voltage conversion unit 30-3-2 is obtained. The control output information sent by the display control signal. The input unit 70-3-2 is connected to the voltage conversion unit 30-3-2 and the central control module 50, and is used to send the terminal operating voltage provided by the voltage conversion unit 30-3-2 to the central control module 50. User enters information.

In this implementation 4, the USB interface module 10 is connected to the battery module 20, the power management module 30, and the central control module 50, and is used to provide USB bus input power for the power management module and the battery module when connected to an external power supply device;

When connected to the host computer, it provides USB bus input power for the power management module and the battery module, and sends and receives transaction data for the central control module 50 .

In this implementation, when the USB interface module 10 is connected to an external power supply device or a host computer, the USB bus input voltage of the obtained USB bus input power is 5V. When the USB interface module 10 is not connected to an external power supply device or is not connected to a host computer When connected to a computer, the USB bus input voltage of the obtained USB bus input power is almost 0V.

Wherein, the external power supply device may be a mobile power supply, a power supply socket, etc., and the upper computer may be a computer or an intelligent mobile device, etc.

The central control module 50 accepts the power supply of the terminal working voltage, and is specifically used for acquiring transaction data through the USB interface module 10, acquiring financial card information such as financial contact card information and financial non-contact card information through the card reading module, and acquiring financial card information through the interaction module 70. The user inputs the information, sends the power supply control signal to the power management module 30, controls the power management module 30 to convert the USB bus input voltage or the battery voltage into the terminal operating voltage, and uses the terminal operating voltage as the card reading module 40, the central control module 50, and the bluetooth module. 60. The interaction module 70 provides power supply;

The power management module 30 is specifically used for, when the power management module 30 obtains the USB bus input power through the USB interface module 10, first converts the USB bus input voltage into a terminal operating voltage, and uses the terminal operating voltage as the card reader module 40, central control The module 50, the bluetooth module 60, and the interactive module 70 provide power supply. When the power management module 30 also receives the power supply control signal sent by the central control module 50, it accepts the control of the central control module 50 to convert the USB bus input voltage into a terminal operating voltage. Use the terminal operating voltage to provide power for the card reader module 40, the central control module 50, the Bluetooth module 60, and the interaction module 70. When the battery power provided, the power management module 30 first converts the battery voltage to the terminal operating voltage, and uses the terminal operating voltage to provide power for the card reading module 40, the central control module 50, the bluetooth module 60, and the interactive module 70. When the power management module 30 When also receiving the power supply control signal sent by the central control module 50, the control of the central control module 50 is also accepted to convert the battery voltage to the terminal operating voltage, and the terminal operating voltage is used for the card reader module 40, the central control module 50, the bluetooth module 60, The interaction module 70 provides power.

Example 5

Embodiment 5 of the present invention provides a working method of a mobile payment terminal supporting Bluetooth communication. As shown in FIG. 5, the terminal performs the following steps:

Step A101: power-on initialization, reset each flag;

Specifically, power-on initialization, reset USB flags, reset Bluetooth flags, reset balance query flags, and the like.

Wherein, the USB flags include a USB communication flag, a USB enumeration flag, a USB receiving flag, a USB return flag, and the like.

Wherein, each mark of Bluetooth includes a mark of bluetooth communication, mark of receiving bluetooth, mark of return of bluetooth and so on.

Step A102: power on the bluetooth module, and configure the bluetooth module;

Specifically, power is supplied to the Bluetooth unit in the Bluetooth module, and the Bluetooth unit is configured.

Step A103: Open the communication interruption service;

Specifically, open the USB communication interruption service, open the Bluetooth communication interruption service;

Specifically, when it is detected that the USB interface module is connected or disconnected from the host computer, the USB communication interrupt service is triggered to check whether the power supply voltage of the USB interface module is at a high level, and if it is at a high level, check whether the USB enumeration flag is is set, if the USB enumeration flag is set, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, set the USB communication flag, if the USB enumeration flag is not set, then perform USB enumeration For example, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, if it is low, reset the USB communication flag; when it is detected that the Bluetooth module is connected or disconnected from the host computer, the Bluetooth communication interrupt service is disabled Trigger, check whether the power supply voltage of the Bluetooth module is low level, if it is low level, open the Bluetooth data receiving interrupt service, wait for the request transaction data sent by the host computer, set the Bluetooth communication flag, if it is high level, then Reset the Bluetooth communication flag;

Among them, the USB data receiving interrupt service specifically includes: when the USB interface has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, enters the USB data receiving interrupt processing flow, receives the data packet, If the data packet is complete, the received data packet will be used as the request transaction data sent by the host computer, the USB receiving flag will be set, and the USB data receiving interrupt service process will exit. If the data packet is incomplete, the USB receiving flag will be reset and the USB will be exited. Data receiving interrupt service processing flow.

The bluetooth data reception interruption service specifically includes: when the bluetooth module has a data packet incoming and the data packet is legal, the bluetooth data reception interruption service is triggered, enters the bluetooth data reception interruption service processing flow, receives the data packet, and if the data packet is complete, it will receive The received data packet is used as the request transaction data sent by the host computer, the Bluetooth receiving flag is set, and the Bluetooth data receiving interrupt service processing flow is exited. If the data packet is incomplete, the Bluetooth receiving flag is reset, and the Bluetooth data receiving interrupt processing flow is exited.

In this step, the communication interruption service may also be triggered by a timer, for example, the communication interruption service timer is enabled, and when the communication interruption service timer reaches 10 ms, the communication interruption service is triggered and corresponding operations are performed.

Specifically, enable the USB communication interruption service, enable the USB communication interruption service timer; enable the Bluetooth communication interruption service, and enable the Bluetooth communication interruption service timer.

Step A104: Open the scheduled card reading interrupt service to obtain the card identification value;

Specifically, when the card reading timer reaches the card reading preset value, the timing card reading interrupt is triggered and enters the timing card reading interrupt service processing flow; preferably, the card reading preset value is 100 milliseconds;

The timing card reading interrupt processing service process specifically includes:

Step A1-1: Power on the card reader module;

This step A1-1 specifically includes: powering on the contact card reading unit and the non-contact card reading unit in the card reading module.

Step A1-2: Detect whether there is a contact card, if not, set the card identification value to the first preset value, perform step A1-3, if yes, set the card identification value to the second preset value, and perform step A1 -4;

Step A1-3: Start searching for the card, judge whether the response from the contactless card is received within the preset time, if so, set the card identification value to the third preset value, and execute step A1-4, otherwise, execute step A1-4;

Step A1-4: Power off the card reader module and exit the scheduled card reader interrupt service;

This step A1-4 specifically includes: powering off the contact card reading unit and the non-contact card reading unit in the card reading module.

Preferably, the first preset value is 0, the second preset value is 1, and the third preset value is 2.

Step A105: Check whether the USB communication flag is set, if the USB communication flag is set, then execute step A106, otherwise, check whether the Bluetooth communication flag is set, if the Bluetooth communication flag is set, then execute step A107, if If the bluetooth communication flag is not set, return to step A105;

Step A106: Check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB return flag, execute step A108, otherwise return to step A105;

Step A107: Check whether the bluetooth receive flag is set, if so, reset the bluetooth receive flag, set the bluetooth return flag, execute step A108, otherwise return to step A105;

Step A108: Obtain the result transaction data returned by the financial card according to the card identification value;

Specifically, step A2-1: check whether the card identification value is the first preset value, if yes, execute step A2-6, otherwise execute step A2-2;

This step A2-1 specifically includes: checking the card identification value, if it is the first preset value, then execute step A2-6, if it is the second preset value, then execute step A2-2, if it is the third preset value , execute step A2-2;

Step A2-2: Send the obtained requested transaction data to the card reading module;

Specifically, the request transaction data is sent to the contact card reading unit or the non-contact card reading unit.

This step specifically includes: when the card identification value is the second preset value, the request transaction data is sent to the contact card reader unit; when the card identification value is the third preset value, the request transaction data is sent to the contactless card card reader unit.

Step A2-3: Judging whether the response information returned by the card reading module is received within the preset time, if yes, execute step A2-4, otherwise execute step A2-5;

Specifically, when the request transaction data is sent to the contact card reader unit, it is judged whether the response information returned by the contact card reader unit is received within the preset time, and when the request transaction data is sent to the contactless card reader unit, then It is judged whether the response information returned by the non-contact card reading unit is received within the preset time.

Preferably, the preset time is 100 milliseconds.

Step A2-4: take the response information of the card reading module as the result transaction data, and execute step A109;

Step A2-5: Use the information prompting that the card reader module times out as the result transaction data, and execute step A109;

Step A2-6: Take the information indicating that there is no card as the returned data as the result transaction data, and execute step A109;

Step A109: Check whether the USB return flag is set, if yes, reset the USB return flag, return the result transaction data through the USB interface module, execute step A110, otherwise, check whether the Bluetooth return flag is set, if yes, reset Bluetooth return flag, return the result transaction data through the Bluetooth module, execute step A111, if the bluetooth return flag is not set, then execute step A111;

Step A110: check whether the USB communication flag is set, if it is set, then return to step A105, otherwise close the USB data receiving interrupt service, reset the USB flags, and return to step A105;

Step A111: Check whether the Bluetooth communication flag is set, if it is set, return to step A105, otherwise disable the Bluetooth data receiving interrupt service, reset the Bluetooth flags, and return to step A105.

In this embodiment, in step A106, when checking that the USB receiving flag is not set, it also includes:

Check whether the query balance flag is set, if yes, return to step A105, otherwise obtain the financial card balance, output the financial card balance information, set the query balance flag, and return to step A105;

In step A107, when checking that the bluetooth receiving flag is not set, it also includes:

Check whether the query balance flag is set, if yes, return to step A105, otherwise obtain the financial card balance, output the financial card balance information, set the query balance flag, and return to step A105.

The financial card in this embodiment may be a financial contact card or a financial non-contact card.

Example 6

Embodiment 6 of the present invention provides a working method of a mobile payment terminal supporting Bluetooth communication, and the terminal performs the following steps:

Step B101: Power-on initialization, send a power supply control signal to the power management module, control the power management module to power on, and reset each flag;

Specifically, power-on initialization sends a power supply control signal to the power management module, and the power management module accepts the control of the power supply control signal to supply power to the central control module, card reader module, Bluetooth module, and display module, and resets USB signs; flag, reset query balance flag, timer shutdown flag, etc.

Wherein, the USB signs include a USB communication sign, a USB enumeration sign, a USB receiving sign, a USB sign and the like.

Wherein, each logo of Bluetooth includes a Bluetooth communication logo, a Bluetooth receiving logo, a Bluetooth logo and the like.

Step B102: power on the bluetooth module, and configure the bluetooth module;

Power the Bluetooth unit in the Bluetooth module and configure the Bluetooth unit.

Step B103: Turn on the communication interruption service, and start the communication interruption service timer;

Specifically, open the USB communication interruption service, open the USB communication interruption service timer; open the Bluetooth communication interruption service, and open the Bluetooth communication interruption service timer;

Specifically, when the USB communication interrupt service timer reaches the USB communication preset value, the USB communication interrupt service is triggered, and checks whether the power supply voltage of the USB interface module is at a high level, and if it is at a high level, checks whether the USB enumeration flag is is set, if the USB enumeration flag is set, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, set the USB communication flag, if the USB enumeration flag is not set, then perform USB enumeration For example, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, if it is low, reset the USB communication flag, open the scheduled shutdown interrupt service, and start the shutdown timer; when the Bluetooth communication interrupt service timer reaches When the bluetooth communication preset value is set, the bluetooth communication interrupt service is triggered, turn on the timer shutdown interrupt, turn on the shutdown timer, check whether the power supply voltage of the bluetooth module is low level, if it is low level, turn on the bluetooth data receiving interrupt service, wait Receive the request transaction data sent by the host computer, set the Bluetooth communication flag, if it is high level, reset the Bluetooth communication flag;

Wherein, the default value of USB communication may be 10ms, and the default value of Bluetooth communication may be 10ms.

Among them, the USB data receiving interrupt service specifically includes: when the USB interface has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, enters the USB data receiving interrupt service processing flow, and receives the data packet , if the data packet is complete, the received data packet will be used as the request transaction data sent by the host computer, the USB receiving flag will be set, and the USB data receiving interrupt service process will be exited; if the data packet is incomplete, the USB receiving flag will be reset and the exit USB data receiving interrupt processing flow.

The bluetooth data reception interruption service specifically includes: when the bluetooth module has a data packet incoming and the data packet is legal, the bluetooth data reception interruption service is triggered, enters the bluetooth data reception interruption service processing flow, receives the data packet, and if the data packet is complete, it will receive The received data packet is used as the request transaction data sent by the host computer, and the bluetooth receiving flag is set to exit the bluetooth data receiving interrupt service processing flow. If the data packet is incomplete, the bluetooth receiving flag is reset and the bluetooth data receiving interrupt processing flow is exited.

The scheduled shutdown interrupt service specifically includes: when the shutdown timer reaches the preset opening value, enter the timing prompt shutdown processing flow, specifically including: judging whether the shutdown counter is greater than the preset shutdown value, if so, setting the shutdown counter to the initial value, Set the timer shutdown flag to exit the timer shutdown interrupt service, otherwise, exit the timer shutdown interrupt.

Wherein, the shutdown counter has an initial value of 0 and increments by 1 each time.

Preferably, the preset on value is 1s, and the preset off value is 60.

Step B104: Open the scheduled card reading interrupt service to obtain the card identification value;

Specifically, when the card-reading timer reaches the card-reading preset value, the timing card-reading interrupt service is triggered and enters the timing card-reading interrupt service processing flow; preferably, the card-reading preset value is 100 milliseconds; its timing card-reading interrupt The service process specifically includes:

Step B1-1: Power on the card reader module;

This step B1-1 specifically includes: powering on the contact card reading unit and the non-contact card reading unit in the card reading module.

Step B1-2: Detect whether there is a contact card, if not, set the card identification value to the first preset value, execute step B1-3, if yes, set the card identification value to the second preset value, and execute step B1 -4;

Step B1-3: Start searching for a card, and judge whether a response from the contactless card is received within the preset time, if so, set the card identification value to the third preset value, and execute step B1-4, otherwise, execute step B1-4 B1-4;

Step B1-4: Power off the card reader module and exit the scheduled card reader interrupt service;

This step B1-4 specifically includes: powering off the contact card reading unit and the non-contact card reading unit in the card reading module.

Preferably, the first preset value is 0, the second preset value is 1, and the third preset value is 2.

Step B105: Check whether the USB communication flag is set, if the USB communication flag is set, then execute step B106, otherwise, check whether the Bluetooth communication flag is set, if the Bluetooth communication flag is set, then execute step B107, if If the bluetooth communication flag is not set, then check whether the timer shutdown flag is set, if the timer shutdown is set, then power off and shut down, if the timer shutdown flag is not set, then return to step B105;

Step B106: check whether the USB receiving flag is set, if yes, then close the timer shutdown interrupt service, reset the timer shutdown flag, set the shutdown counter to the initial value, reset the USB receiving flag, set the USB return flag, and execute step B108, Otherwise return to step B105;

Step B107: check whether the bluetooth receive flag is set, if yes, then close the timer shutdown interrupt service, reset the timer shutdown flag, set the shutdown counter to the initial value, reset the bluetooth receive flag, set the bluetooth return flag, and execute step B108, Otherwise return to step B105;

Step B108: Obtain the result transaction data returned by the financial card according to the card identification value;

Specifically, step B2-1: check whether the card identification value is the first preset value, if yes, execute step B2-6, otherwise execute step B2-2;

This step B2-1 specifically includes: checking the card identification value, if it is the first preset value, then execute step B2-6, if it is the second preset value, then execute step B2-2, if it is the third preset value , then perform step B2-2;

Step B2-2: Send the obtained requested transaction data to the card reading module;

Specifically, the request transaction data is sent to the contact card reading unit or the non-contact card reading unit.

This step specifically includes: when the card identification value is the second preset value, the request transaction data is sent to the contact card reader unit; when the card identification value is the third preset value, the request transaction data is sent to the contactless card card reader unit.

Step B2-3: Judging whether the response information returned by the card reading module is received within the preset time, if yes, execute step B2-4, otherwise execute step B2-5;

Specifically, when the request transaction data is sent to the contact card reader unit, it is judged whether the response information returned by the contact card reader unit is received within the preset time, and when the request transaction data is sent to the contactless card reader unit, then It is judged whether the response information returned by the non-contact card reading unit is received within the preset time.

Preferably, the preset time is 100 milliseconds.

Step B2-4: take the response information of the card reading module as the result transaction data, and execute step B109;

Step B2-5: Use the information indicating that the card reading module has timed out as the result transaction data, and execute step B109;

Step B2-6: Take the information indicating that there is no card as the returned data as the result transaction data, and execute step B109;

Step B109: Check whether the USB return flag is set, if yes, reset the USB return flag, return the result transaction data through the USB interface module, execute step B110, otherwise, check whether the Bluetooth return flag is set, if yes, reset Bluetooth return flag, return the result transaction data through the Bluetooth module, execute step B111, if the bluetooth return flag is not set, then execute step B111;

Step B110: check whether the USB communication flag is set, if it is set, then return to step B105, otherwise close the USB data receiving interrupt service, reset the USB flags, and return to step B105;

Step B111: Check whether the bluetooth communication flag is set, if set, return to step B105, otherwise close the bluetooth data receiving interrupt service, reset the bluetooth flags, return to step B105.

In this embodiment, in step B106, when checking that the USB receiving flag is not set, it also includes:

Check whether the query balance flag is set, if yes, return to step B105, otherwise obtain the financial card balance, output the financial card balance information, set the query balance flag, and return to step B105;

In step B107, when checking that the bluetooth receiving flag is not set, it also includes:

Check whether the query balance flag is set, if yes, return to step B105, otherwise obtain the financial card balance, output the financial card balance information, set the query balance flag, and return to step B105.

The financial card in this embodiment may be a financial contact card or a financial non-contact card.

Example 7

Embodiment 7 provides a working method of a mobile payment terminal supporting Bluetooth communication, as shown in FIG. 6 , including:

Step C101: power-on initialization, reset each flag;

Specifically, power-on initialization, reset the USB flags, reset the Bluetooth flags, and reset the balance query flag.

Wherein, the USB flags include a USB communication flag, a USB enumeration flag, a USB receiving flag, a USB return flag, and the like.

Wherein, each mark of Bluetooth includes a mark of bluetooth communication, mark of receiving bluetooth, mark of return of bluetooth and so on.

Step C102: power on the bluetooth module, and configure the bluetooth module;

Specifically, power is supplied to the Bluetooth unit in the Bluetooth module, and the Bluetooth unit is configured.

Step C103: Open the communication interruption service;

Specifically, the USB communication interruption service is enabled; the Bluetooth communication interruption service is enabled.

Specifically, when it is detected that the USB interface module is connected or disconnected from the host computer, the USB communication interrupt service is triggered to check whether the power supply voltage of the USB interface module is at a high level, and if it is at a high level, check whether the USB enumeration flag is is set, if the USB enumeration flag is set, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, set the USB communication flag, if the USB enumeration flag is not set, then perform USB enumeration For example, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, if it is low, reset the USB communication flag; when it is detected that the Bluetooth module is connected or disconnected from the host computer, the Bluetooth communication interrupt service is disabled Trigger, check whether the power supply voltage of the Bluetooth module is low level, if it is low level, open the Bluetooth data receiving interrupt service, wait for the request transaction data sent by the host computer, set the Bluetooth communication flag, if it is high level, then Reset the Bluetooth communication flag;

Among them, the USB data receiving interrupt service specifically includes: when the USB interface has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, enters the USB data receiving interrupt processing flow, receives the data packet, If the data packet is complete, the received data packet will be used as the request transaction data sent by the host computer, the USB receiving flag will be set, and the USB data receiving interrupt service process will exit. If the data packet is incomplete, the USB receiving flag will be reset and the USB will be exited. Data receiving interrupt service processing flow.

The bluetooth data reception interruption service specifically includes: when the bluetooth module has a data packet incoming and the data packet is legal, the bluetooth data reception interruption service is triggered, enters the bluetooth data reception interruption service processing flow, receives the data packet, and if the data packet is complete, it will receive The received data packet is used as the request transaction data sent by the host computer, the Bluetooth receiving flag is set, and the Bluetooth data receiving interrupt service processing flow is exited. If the data packet is incomplete, the Bluetooth receiving flag is reset, and the Bluetooth data receiving interrupt processing flow is exited.

In this step, the communication interruption service may also be triggered by a timer, for example, the communication interruption service timer is enabled, and when the communication interruption service timer reaches 10 ms, the communication interruption service is triggered and corresponding operations are performed.

Specifically, enable the USB communication interruption service, enable the USB communication interruption service timer; enable the Bluetooth communication interruption service, and enable the Bluetooth communication interruption service timer.

Step C104: Open the scheduled card reading interrupt service to obtain the card identification value;

Specifically, when the card reading timer reaches the card reading preset value, the timing card reading interrupt is triggered and enters the timing card reading interrupt service processing flow; preferably, the card reading preset value is 100 milliseconds;

The timing card reading interrupt processing flow specifically includes:

Step C1-1: Power on the card reader module;

This step C1-1 specifically includes: powering on the contact card reading unit and the non-contact card reading unit in the card reading module.

Step C1-2: Detect whether there is a contact card, if not, set the card identification value as the first preset value, and execute step C1-3, if yes, set the card identification value as the second preset value, and execute step C1 -4;

Step C1-3: Start searching for a card, and judge whether a response from the contactless card is received within the preset time, if so, set the card identification value to the third preset value, and execute step C1-4, otherwise, execute step C1-4 C1-4;

Step C1-4: Power off the card reader module and exit the scheduled card reader interrupt;

This step C1-4 specifically includes: powering off the contact card reading unit and the non-contact card reading unit in the card reading module.

Preferably, the first preset value is 0, the second preset value is 1, and the third preset value is 2.

Step C105: Check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB return flag, and execute step C107, otherwise execute step C106;

Step C106: check whether the bluetooth receiving flag is set, if so, reset the bluetooth receiving flag, set the bluetooth return flag, execute step C107, otherwise return to step C105;

Step C107: Obtain the result transaction data returned by the financial card according to the card identification value;

Specifically, step C2-1: check whether the card identification value is the first preset value, if yes, execute step C2-6, otherwise execute step C2-2;

This step C2-1 specifically includes: checking the card identification value, if it is the first preset value, then execute step C2-6, if it is the second preset value, then execute step C2-2, if it is the third preset value , then execute step C2-2;

Step C2-2: Send the obtained requested transaction data to the card reading module;

Specifically, the request transaction data is sent to the contact card reading unit or the non-contact card reading unit.

This step specifically includes: when the card identification value is the second preset value, the request transaction data is sent to the contact card reader unit; when the card identification value is the third preset value, the request transaction data is sent to the contactless card card reader unit.

Step C2-3: Judging whether the response information returned by the card reading module is received within the preset time, if yes, execute step C2-4, otherwise execute step C2-5;

Specifically, when the request transaction data is sent to the contact card reader unit, it is judged whether the response information returned by the contact card reader unit is received within the preset time, and when the request transaction data is sent to the contactless card reader unit, then It is judged whether the response information returned by the non-contact card reading unit is received within the preset time.

Preferably, the preset time is 100 milliseconds.

Step C2-4: take the response information of the card reading module as the result transaction data, and execute step C108;

Step C2-5: Use the information prompting that the card reader module times out as the result transaction data, and execute step C108;

Step C2-6: Take the information indicating that there is no card as the returned data as the result transaction data, and execute step C108;

Step C108: Check whether the USB return flag is set, if yes, reset the USB return flag, return the result transaction data through the USB interface module, execute step C109, otherwise, check whether the Bluetooth return flag is set, if yes, reset The bluetooth return flag returns the result transaction data through the bluetooth module, then executes step C110, if the bluetooth return flag is not set, then executes step C110;

Step C109: Check whether the USB communication flag is set, if it is set, then return to step C105, otherwise close the USB data receiving interrupt service, reset the USB flags, and return to step C105;

Step C110: check whether the bluetooth communication flag is set, if set, then return to step C105, otherwise close the bluetooth data receiving interrupt service, reset the bluetooth flags, and return to step C105;

In this implementation, in step C106, when checking that the bluetooth receiving flag is not set, it also includes:

Check whether the query balance flag is set, if yes, return to step C105, otherwise obtain the financial card balance, output the financial card balance information, set the query balance flag, and return to step C105.

The financial card in this embodiment may be a financial contact card or a financial non-contact card.

Example 8

Embodiment 8 provides a working method of a mobile payment terminal supporting Bluetooth communication. The terminal performs the following steps:

Step D101: Power-on initialization, sending a power supply control signal to the power management module to control the power management module to power on, and resetting each flag;

Specifically, power-on initialization, the central control module sends a power supply control signal to the power management module, and the power management module accepts the control of the power supply control signal to supply power to the central control module, card reader module, Bluetooth module, and display module; resets the USB signs, Reset the Bluetooth logos, reset the balance query logo, timer shutdown logo, etc.

Wherein, the USB flags include a USB communication flag, a USB enumeration flag, a USB receiving flag, a USB return flag, and the like.

Wherein, each mark of Bluetooth includes a mark of bluetooth communication, mark of receiving bluetooth, mark of return of bluetooth and so on.

Step D102: power on the bluetooth module, and configure the bluetooth module;

Specifically, power is supplied to the Bluetooth unit in the Bluetooth module, and the Bluetooth unit is configured.

Step D103: Turn on the communication interruption service and start the communication interruption service timer;

Specifically, open the USB communication interruption service, open the USB communication interruption service timer; open the Bluetooth communication interruption service, and open the Bluetooth communication interruption service timer;

Specifically, when the USB communication interrupt service timer reaches the USB communication preset value, the USB communication interrupt service is triggered, and checks whether the power supply voltage of the USB interface module is at a high level, and if it is at a high level, checks whether the USB enumeration flag is is set, if the USB enumeration flag is set, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, set the USB communication flag, if the USB enumeration flag is not set, then perform USB enumeration For example, open the USB data receiving interrupt service, wait to receive the request transaction data sent by the host computer, if it is low, reset the USB communication flag, open the scheduled shutdown interrupt service, and start the shutdown timer; when the Bluetooth communication interrupt service timer reaches When the bluetooth communication preset value is set, the bluetooth communication interrupt service is triggered, turn on the timer shutdown interrupt, turn on the shutdown timer, check whether the power supply voltage of the bluetooth module is low level, if it is low level, turn on the bluetooth data receiving interrupt service, wait Receive the request transaction data sent by the host computer, set the Bluetooth communication flag, if it is high level, reset the Bluetooth communication flag;

Wherein, the default value of USB communication may be 10ms, and the default value of Bluetooth communication may be 10ms.

Among them, the USB data receiving interrupt service specifically includes: when the USB interface has a data packet incoming and the format of the data packet conforms to the provisions of the USB protocol, the USB data receiving interrupt service is triggered, enters the USB data receiving interrupt service processing flow, and receives the data packet , if the data packet is complete, the received data packet will be used as the request transaction data sent by the host computer, the USB receiving flag will be set, and the USB data receiving interrupt service process will be exited; if the data packet is incomplete, the USB receiving flag will be reset and the exit USB data receiving interrupt processing flow.

The bluetooth data reception interruption service specifically includes: when the bluetooth module has a data packet incoming and the data packet is legal, the bluetooth data reception interruption service is triggered, enters the bluetooth data reception interruption service processing flow, receives the data packet, and if the data packet is complete, it will receive The received data packet is used as the request transaction data sent by the host computer, and the bluetooth receiving flag is set to exit the bluetooth data receiving interrupt service processing flow. If the data packet is incomplete, the bluetooth receiving flag is reset and the bluetooth data receiving interrupt processing flow is exited.

The scheduled shutdown interrupt service specifically includes: when the shutdown timer reaches the preset opening value, enter the timing prompt shutdown processing flow, specifically including: judging whether the shutdown counter is greater than the preset shutdown value, if so, setting the shutdown counter to the initial value, Set the timer shutdown flag to exit the timer shutdown interrupt service, otherwise, exit the timer shutdown interrupt.

Wherein, the shutdown counter has an initial value of 0 and increments by 1 each time.

Preferably, the preset on value is 1s, and the preset off value is 60.

Step D104: Open the scheduled card reading interrupt service to obtain the card identification value;

Specifically, when the card reading timer reaches the card reading preset value, the timing card reading interrupt service is triggered and enters the timing card reading interrupt processing flow; preferably, the card reading preset value is 100 milliseconds;

The timing card reading interrupt processing flow specifically includes:

Step D1-1: Power on the card reader module;

This step D1-1 specifically includes: powering on the contact card reading unit and the non-contact card reading unit in the card reading module.

Step D1-2: Detect whether there is a contact card, if not, set the card identification value to the first preset value, execute step D1-3, if yes, set the card identification value to the second preset value, and execute step D1 -4;

Step D1-3: Start searching for the card, judge whether the response from the contactless card is received within the preset time, if so, set the card identification value to the third preset value, and execute step D1-4, otherwise, execute step D1-4 D1-4;

Step D1-4: Power off the card reader module and exit the scheduled card reader interrupt service;

This step D1-4 specifically includes: powering off the contact card reading unit and the non-contact card reading unit in the card reading module.

Preferably, the first preset value is 0, the second preset value is 1, and the third preset value is 2.

Step D105: Check whether the USB receiving flag is set, if so, turn off the scheduled shutdown interrupt service, reset the timing shutdown flag, set the shutdown counter to the initial value, reset the USB receiving flag, set the USB return flag, and execute step D107, Otherwise execute step D106;

Step D106: Check whether the bluetooth receive flag is set, if so, turn off the timer shutdown interrupt service, reset the timer shutdown flag, set the shutdown counter to the initial value, reset the bluetooth receive flag, set the bluetooth return flag, and execute step D107, Otherwise, check whether the timing shutdown flag is set, if the timing shutdown is set, then power off and shut down, if the timing shutdown flag is not set, then return to step D105;

Step D107: Obtain the result transaction data returned by the financial card according to the card identification value;

Specifically, step D2-1: check whether the card identification value is the first preset value, if yes, execute step D2-6, otherwise execute step D2-2;

This step D2-1 specifically includes: checking the card identification value, if it is the first preset value, then execute step D2-6, if it is the second preset value, then execute step D2-2, if it is the third preset value , then execute step D2-2;

Step D2-2: Send the obtained requested transaction data to the card reading module;

Specifically, the request transaction data is sent to the contact card reading unit or the non-contact card reading unit.

This step specifically includes: when the card identification value is the second preset value, the request transaction data is sent to the contact card reader unit; when the card identification value is the third preset value, the request transaction data is sent to the contactless card card reader unit.

Step D2-3: Judging whether the response information returned by the card reading module is received within the preset time, if yes, execute step D2-4, otherwise execute step D2-5;

Specifically, when the request transaction data is sent to the contact card reader unit, it is judged whether the response information returned by the contact card reader unit is received within the preset time, and when the request transaction data is sent to the contactless card reader unit, then It is judged whether the response information returned by the non-contact card reading unit is received within the preset time.

Preferably, the preset time is 100 milliseconds.

Step D2-4: take the response information of the card reading module as the result transaction data, and execute step D108;

Step D2-5: Use the information indicating that the card reading module has timed out as the result transaction data, and execute step D108;

Step D2-6: Take the information indicating that there is no card as the returned data as the result transaction data, and execute step D108;

Step D108: Check whether the USB return flag is set, if yes, reset the USB return flag, return the result transaction data through the USB interface module, execute step D109, otherwise, check whether the Bluetooth return flag is set, if yes, reset The bluetooth return flag returns the result transaction data through the bluetooth module, then executes step D110, if the bluetooth return flag is not set, then executes step D110;

Step D109: Check whether the USB communication flag is set, if it is set, then return to step D105, otherwise, close the USB data receiving interrupt service, reset the USB flags, and return to step D105;

Step D110: check whether the bluetooth communication flag is set, if it is set, then return to step D105, otherwise close the bluetooth data receiving interrupt service, reset the bluetooth flags, and return to step D105;

In this implementation, in step D106, when checking that the bluetooth receiving flag is not set, it may also include: checking whether the query balance flag is set, if yes, then return to step D105, otherwise obtain the financial card balance, and output the financial card balance information , set the query balance flag, and return to step D105.

The financial card in this embodiment may be a financial contact card or a financial non-contact card.

Claims (23)

1. support a Mobile payment terminal for bluetooth communication, it is characterized in that, described terminal comprises: usb interface module, battery module, power management module, card reading module, central control module, bluetooth module, interactive module;

Described usb interface module, be connected with described battery module, described power management module, described central control module, input electricity for providing usb bus for described battery module, provide for described power management module usb bus to input electricity, be described central control module transmitting-receiving transaction data;

Described battery module, is connected with described usb interface module, described power management module, carrying out charging, providing battery electric quantity for described power management module for receiving usb bus input electricity;

Described power management module, be connected with described usb interface module, described battery module, described card reading module, described central control module, described bluetooth module, described interactive module, for when getting usb bus input electricity, usb bus input voltage is converted to terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

When getting battery electric quantity, cell voltage is converted to terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

Described bluetooth module, is connected with described power management module, described central control module, for when getting described terminal works voltage, is described central control module transmitting-receiving transaction data;

Described card reading module, is connected with described power management module, described central control module, for when getting described terminal works voltage, for described central control module reads financial card information;

Described interactive module, is connected with described power management module, described central control module, for when getting described terminal works voltage, for described central control module obtains user's input information;

Described central control module, be connected with described power management module, described usb interface module, described card reading module, described bluetooth module, described interactive module, for when getting described terminal works voltage, obtaining transaction data, obtain financial card information, obtaining user's input information.

2. terminal as claimed in claim 1, it is characterized in that, described usb interface module specifically for, when described usb interface module and externally fed equipment connection, for described battery module provides usb bus to input electricity, to provide for described power management module usb bus to input electricity;

When described usb interface module is connected with host computer, for described battery module provides usb bus to input electricity, provides usb bus to input electricity for described power management module, is described central control module transmitting-receiving transaction data.

3. terminal as claimed in claim 1, it is characterized in that, described power management module, comprising: power supply automatic switch unit, voltage conversion unit;

Described power supply automatic switch unit, be connected with described usb interface module, described battery module, described voltage conversion unit, for comparing usb bus input voltage and cell voltage, when usb bus input voltage is higher than cell voltage, it is that described voltage conversion unit is powered that described power supply automatic switch unit switches usb bus input electricity, when usb bus input voltage is lower than cell voltage, it is that described voltage conversion unit is powered that described power supply automatic switch unit switches battery electric quantity;

Described voltage conversion unit, be connected with described power supply automatic switch unit, described card reading module, described bluetooth module, described interactive module, described central control module, for usb bus input voltage or cell voltage are converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power.

4. terminal as claimed in claim 3, it is characterized in that, described power management module, also comprises: switch element;

Described switch element, is connected with described power supply automatic switch unit, described voltage conversion unit, for when being subject to triggering, switches off-state and the closure state of the circuit between described power supply automatic switch unit and described voltage conversion unit;

Described voltage conversion unit, specifically for, when the circuit between automatic switch unit and described voltage conversion unit of powering is closure state, usb bus input voltage or cell voltage are converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power.

5. terminal as claimed in claim 1, it is characterized in that, described power management module, comprising: power supply automatic switch unit, voltage conversion unit, switch element, voltage isolated location;

Described power supply automatic switch unit, is connected with described usb interface module, described battery module, described voltage conversion unit, described switch element, specifically for:

Relatively usb bus input voltage and cell voltage, when usb bus input voltage is higher than cell voltage, described power supply automatic switch unit transmits usb bus input electricity to described voltage conversion unit, described switch element, when usb bus input voltage is lower than cell voltage, described power supply automatic switch unit transmits battery electric quantity to described switch element, described voltage conversion unit;

Described voltage isolated location, be connected with described usb interface module, described switch element, described voltage conversion unit, for isolating by the usb bus input electricity or battery electric quantity of described switch element to described usb interface module direction, be that described voltage conversion unit transmits usb bus input electricity.

Described switch element, be connected with described power supply automatic switch unit, described voltage conversion unit, described voltage isolated location, for when being subject to triggering, switch off-state and the closure state of the circuit between described power supply automatic switch unit and described voltage conversion unit;

Described voltage conversion unit, specifically for,

When being got usb bus input electricity by described power supply automatic switch unit, usb bus is inputted electricity as USB powering quantity, when being got usb bus input electricity by described voltage isolated location or described switch element, usb bus is inputted electricity as the enable electricity of USB, when getting USB powering quantity and the enable electricity of USB, usb bus input voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

When getting battery electric quantity by described power supply automatic switch unit, using battery electric quantity as powered battery electricity, when getting battery electric quantity by described switch element, using battery electric quantity as the enable electricity of battery, when getting powered battery electricity and the enable electricity of battery, cell voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power.

6. terminal as claimed in claim 1, it is characterized in that, usb bus input voltage or cell voltage are also converted to described terminal works voltage for controlling described power management module to described power management module transmission power supplying control signal by described central control module;

Described power management module, specifically for when getting usb bus input electricity, usb bus input voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

When getting battery electric quantity, also accept the control of the power supplying control signal that described central control module sends, cell voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power.

7. terminal as claimed in claim 6, it is characterized in that, described power management module, comprising: power supply automatic switch unit, voltage conversion unit, start-up unit, voltage isolated location;

Described power supply automatic switch unit, is connected with described usb interface module, described battery module, described voltage conversion unit, described start-up unit, specifically for:

Relatively usb bus input voltage and cell voltage, when usb bus input voltage is higher than cell voltage, described power supply automatic switch unit transmits usb bus input electricity to described voltage conversion unit, described start-up unit, when usb bus input voltage is lower than cell voltage, described power supply automatic switch unit transmits battery electric quantity to described start-up unit, described voltage conversion unit;

Described voltage conversion unit, is connected with described power supply automatic switch unit, described start-up unit, described voltage isolated location, described card reading module, described bluetooth module, described interactive module, described central control module, specifically for,

When being got usb bus input electricity by described power supply automatic switch unit, usb bus is inputted electricity as USB powering quantity, when being got usb bus input electricity by described voltage isolated location or described start-up unit, usb bus is inputted electricity as the enable electricity of USB, when getting USB powering quantity and the enable electricity of USB, usb bus input voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

When getting battery electric quantity by described power supply automatic switch unit, using battery electric quantity as powered battery electricity, when getting battery electric quantity by described start-up unit, using battery electric quantity as the enable electricity of battery, when being got the power supplying control signal that described central control module sends by described voltage isolated location, using power supplying control signal as enable signal, when getting powered battery electricity and the enable electricity of battery or when getting powered battery electricity and enable signal, cell voltage is converted to described terminal works voltage, be described card reading module with described terminal works voltage, described central control module, described bluetooth module, described interactive module is powered,

Described start-up unit, be connected with described power supply automatic switch unit, described voltage conversion unit, described voltage isolated location, for when being subject to triggering, by the circuit state between described power supply automatic switch unit and described voltage conversion unit by off-state be switched to closure state again momentary recovery to off-state;

Described voltage isolated location, be connected with described voltage conversion unit, described start-up unit, described central control module, described usb interface module, for isolate by usb bus input electricity from described start-up unit to described central control module or battery electric quantity, isolate by the usb bus input electricity or battery electric quantity of described start-up unit to described usb interface module direction, be the power supplying control signal that described voltage conversion unit transmits usb bus input electricity or central control module and sends;

Described central control module specifically for, when getting described terminal works voltage, send power supplying control signal by described voltage isolated location to described voltage conversion unit, control described voltage conversion unit and cell voltage is converted to described terminal works voltage, obtains transaction data, obtains financial card information, obtains user's input information.

8. terminal as claimed in claim 6, it is characterized in that, described power management module specifically for, when getting usb bus input electricity, also accept the control of the power supplying control signal that described central control module sends, usb bus input voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power;

When getting battery electric quantity, also accept the control of the power supplying control signal that described central control module sends, cell voltage is converted to described terminal works voltage, with described terminal works voltage be described card reading module, described central control module, described bluetooth module, described interactive module power.

9. terminal as claimed in claim 8, it is characterized in that, described power management module, comprising: power supply automatic switch unit, voltage conversion unit, start-up unit, voltage isolated location;

Described power supply automatic switch unit, is connected with described usb interface module, described battery module, described voltage conversion unit, described start-up unit, specifically for:

Relatively usb bus input voltage and cell voltage, when usb bus input voltage is higher than cell voltage, described power supply automatic switch unit transmits usb bus input electricity to described voltage conversion unit, described start-up unit, when usb bus input voltage is lower than cell voltage, described power supply automatic switch unit transmits battery electric quantity to described start-up unit, described voltage conversion unit;

Described voltage conversion unit, is connected with described power supply automatic switch unit, described card reading module, described bluetooth module, described interactive module, described central control module, specifically for:

When being got usb bus input electricity by described power supply automatic switch unit, usb bus is inputted electricity as USB powering quantity, when being got usb bus input electricity by described start-up unit, usb bus is inputted electricity as the enable electricity of USB, when being got the power supplying control signal that described central control module sends by described voltage isolated location, using power supplying control signal as enable signal, when getting USB powering quantity and the enable electricity of USB or when getting USB powering quantity and enable signal, usb bus input voltage is converted to described terminal works voltage, be described card reading module with described terminal works voltage, described central control module, described bluetooth module, described interactive module is powered,

When getting battery electric quantity by described power supply automatic switch unit, using battery electric quantity as powered battery electricity, when getting battery electric quantity by described start-up unit, using battery electric quantity as the enable electricity of battery, when being got the power supplying control signal that described central control module sends by described voltage isolated location, using power supplying control signal as enable signal, when getting powered battery electricity and the enable electricity of battery or when getting powered battery electricity and enable signal, cell voltage is converted to described terminal works voltage, be described card reading module with described terminal works voltage, described central control module, described bluetooth module, described interactive module is powered,

Described start-up unit, be connected with described power supply automatic switch unit, described voltage conversion unit, described voltage isolated location, specifically for, when being subject to triggering, by the circuit state between described power supply automatic switch unit and described voltage conversion unit by off-state be switched to closure state again momentary recovery to off-state;

Described voltage isolated location, be connected with described start-up unit, described voltage conversion unit, described central control module, for isolating by the usb bus input electricity or battery electric quantity of described start-up unit to described central control module direction, be that described voltage conversion unit transmits power supplying control signal;

Described central control module, specifically for, when getting described terminal works voltage, send power supplying control signal to described voltage conversion unit, control described voltage conversion unit and usb bus input voltage or cell voltage are converted to described terminal works voltage, obtain transaction data, obtain financial card information, obtain user's input information.

10. the method for work of terminal as claimed in claim 1, it is characterized in that, described method comprises:

Step s1: power-up initializing, reset each mark, powers on to described bluetooth module, configures described bluetooth module, opens communicating interrupt service;

When detecting that described usb interface module to be connected with host computer or to disconnect, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, then reset USB communication symbol; When detecting that described bluetooth module to be connected with host computer or to disconnect, bluetooth communication break in service is triggered, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception break in service, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

Step s2: open the break in service of timing Card Reader, obtain card ident value;

Step s3: check whether USB communication symbol is set, if USB communication symbol is set, then check whether USB receiving flag is set, if USB receiving flag is set, then reset USB receiving flag, set USB Returning mark, perform step s4, if USB receiving flag is not set, then return step s3, if USB communication symbol is not set, then check whether bluetooth communication mark is set, if bluetooth communication mark is set, then check whether Bluetooth receptions mark is set, if Bluetooth receptions mark is set, then reset Bluetooth receptions mark, set bluetooth Returning mark, perform step s4, if Bluetooth receptions mark is not set, then return step s3, if bluetooth communication mark is not set, then return step s3,

Step s4: obtain result transaction data according to card ident value;

Step s5: check whether USB Returning mark is set, if so, then reset USB Returning mark, by described usb interface module, result transaction data is returned to described host computer, perform step s6, otherwise, check whether bluetooth Returning mark is set, if, then reset bluetooth Returning mark, returns to described host computer by described bluetooth module by result transaction data, performs step s7, if bluetooth Returning mark is not set, then perform step s7;

Step s6: check whether USB communication symbol is set, and if so, then returns step s3, otherwise close the service of usb data receive interruption, reset USB respectively indicates, returns step s3;

Step s7: check whether bluetooth communication mark is set, and if so, then returns step s3, otherwise close Bluetooth data reception break in service, reset bluetooth respectively indicates, returns step s3.

11. methods as claimed in claim 10, it is characterized in that, described step s2 specifically comprises: open the break in service of timing Card Reader, obtain card ident value;

When Card Reader timer reaches Card Reader preset value, the break in service of timing Card Reader is triggered, and detects whether have contact card, if contactless card, then card ident value is set to the first preset value, starts card seeking, if obtain the response of non-contact card, card ident value is set to the 3rd preset value; If there is contact card, card ident value is set to the second preset value;

Step s4 specifically comprises: check card ident value, if the first preset value, by the information as a result transaction data of prompting without card, if the second preset value or the 3rd preset value, requests transaction data are sent to described card reading module, judge whether to receive in Preset Time the response message that card reading module returns, if receive response message, then by response message transaction data as a result, if do not receive response message, then by the information transaction data as a result of prompting card reading module time-out.

12. methods as claimed in claim 10, it is characterized in that, in described step s3 when USB receiving flag is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step s3, otherwise, display fiscard balance amount information, set queries the balance mark, returns step s3; When Bluetooth receptions mark is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step s3, otherwise display fiscard balance amount information, set queries the balance mark, returns step s3.

13. the method for claim 1, is characterized in that, described method comprises:

Step t1: power-up initializing, reset each mark, powers on to described bluetooth module, configures described bluetooth module, opens communicating interrupt service, opens communicating interrupt service timer;

When USB communicating interrupt service timer reaches USB communication preset value, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, then reset USB communication symbol; When bluetooth communication break in service timer reaches bluetooth communication preset value, bluetooth communication break in service is triggered, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception break in service, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

Step t2: open the break in service of timing Card Reader, obtain card ident value;

Step t3: check whether USB communication symbol is set, if USB communication symbol is set, then check whether USB receiving flag is set, if USB receiving flag is set, then reset USB receiving flag, set USB Returning mark, perform step t4, if USB receiving flag is not set, then return step t3, if USB communication symbol is not set, then check whether bluetooth communication mark is set, if bluetooth communication mark is set, then check whether Bluetooth receptions mark is set, if Bluetooth receptions mark is set, then reset Bluetooth receptions mark, set bluetooth Returning mark, perform step t4, if Bluetooth receptions mark is not set, then return step t3, if bluetooth communication mark is not set, then return step t3,

Step t4: obtain result transaction data according to card ident value;

Step t5: check whether USB Returning mark is set, if so, then reset USB Returning mark, by described usb interface module, result transaction data is returned to described host computer, perform step t6, otherwise, check whether bluetooth Returning mark is set, if, then reset bluetooth Returning mark, returns to described host computer by described bluetooth module by result transaction data, performs step t7, if bluetooth Returning mark is not set, then perform step t7;

Step t6: check whether USB communication symbol is set, and if so, then returns step t3, otherwise close the service of usb data receive interruption, reset USB respectively indicates, returns step t3;

Step t7: check whether bluetooth communication mark is set, and if so, then returns step t3, otherwise close Bluetooth data reception break in service, reset bluetooth respectively indicates, returns step t3.

14. methods as claimed in claim 13, it is characterized in that, described step t2 specifically comprises: open the break in service of timing Card Reader, obtain card ident value;

When Card Reader timer reaches Card Reader preset value, the break in service of timing Card Reader is triggered, and detects whether have contact card, if contactless card, then card ident value is set to the first preset value, starts card seeking, if obtain the response of non-contact card, card ident value is set to the 3rd preset value; If there is contact card, card ident value is set to the second preset value;

Step t4 specifically comprises: check card ident value, if the first preset value, by the information as a result transaction data of prompting without card, if the second preset value or the 3rd preset value, requests transaction data are sent to described card reading module, judge whether to receive in Preset Time the response message that card reading module returns, if receive response message, then by response message transaction data as a result, if do not receive response message, then by the information transaction data as a result of prompting card reading module time-out.

15. methods as claimed in claim 13, it is characterized in that, described step t1 specifically comprises: power-up initializing, send power supplying control signal to described power management module, control described power management module and power on, reset each mark, described bluetooth module is powered on, configure described bluetooth module, open communicating interrupt service, open communicating interrupt service timer;

When USB communicating interrupt service timer reaches USB communication preset value, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, reset USB communication symbol, opens timing shutdown break in service, opens shutdown timer; When bluetooth communication break in service timer reaches bluetooth communication preset value, bluetooth communication break in service is triggered, open timing shutdown break in service, open shutdown timer, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception break in service, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

When the timer that shuts down reaches default unlatching value, timing shutdown break in service is triggered, judge whether shutdown counter is greater than default shutdown value, if, then shutdown counter is set to initial value, set timing shutdown mark, exits timing shutdown and interrupt, otherwise, directly exit timing shutdown and interrupt.

In described step t3, when bluetooth communication mark is not set, also comprise: check whether timing shutdown mark is set, if timing shutdown is set, then lower electricity shutdown, if timing shutdown mark is not set, then returns step t3; When Bluetooth receptions mark is set, also comprise, timeing closing shutdown break in service, reset timing shutdown mark, is set to initial value by shutdown counter; When USB receiving flag is set, also comprise timeing closing shutdown break in service, reset timing shutdown mark, is set to initial value by shutdown counter.

16. methods as described in claim 13 or 15, it is characterized in that, in described step t3 when USB receiving flag is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step t3, otherwise, display fiscard balance amount information, set queries the balance mark, returns step t3; When Bluetooth receptions mark is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step t3, otherwise display fiscard balance amount information, set queries the balance mark, returns step t3.

The method of work of 17. terminals as claimed in claim 1, it is characterized in that, described method comprises:

Step y1: power-up initializing, reset each mark, controls described bluetooth module and power on, configure described bluetooth module, open communicating interrupt service;

When detecting that described usb interface module to be connected with host computer or to disconnect, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, then reset USB communication symbol; When detecting that described bluetooth module to be connected with host computer or to disconnect, bluetooth communication break in service is triggered, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception break in service, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

Step y2: open the break in service of timing Card Reader, obtain card ident value;

Step y3: check whether USB receiving flag is set, if so, then reset USB receiving flag, set USB Returning mark, perform step y4, otherwise check whether Bluetooth receptions mark is set, if Bluetooth receptions mark is set, then reset Bluetooth receptions mark, set bluetooth Returning mark, perform step y4, if Bluetooth receptions mark is not set, then return step y3;

Step y4: obtain result transaction data according to card ident value;

Step y5: check whether USB Returning mark is set, if so, then reset USB Returning mark, by described usb interface module, result transaction data is returned to described host computer, perform step y6, otherwise, check whether bluetooth Returning mark is set, if, then reset bluetooth Returning mark, returns to described host computer by described bluetooth module by result transaction data, performs step y7, if bluetooth Returning mark is not set, then perform step y7;

Step y6: check whether USB communication symbol is set, and if so, then returns step y3, otherwise close the service of usb data receive interruption, reset USB respectively indicates, returns step y3;

Step y7: check whether bluetooth communication mark is set, and if so, then returns step y3, otherwise close Bluetooth data reception break in service, reset bluetooth respectively indicates, returns step y3.

18. methods as claimed in claim 17, it is characterized in that, described step y2 specifically comprises: open the break in service of timing Card Reader, obtain card ident value;

When Card Reader timer reaches Card Reader preset value, the break in service of timing Card Reader is triggered, and detects whether have contact card, if contactless card, then card ident value is set to the first preset value, starts card seeking, if obtain the response of non-contact card, card ident value is set to the 3rd preset value; If there is contact card, card ident value is set to the second preset value;

Step y4 specifically comprises: check card ident value, if the first preset value, by the information as a result transaction data of prompting without card, if the second preset value or the 3rd preset value, requests transaction data are sent to described card reading module, judge whether to receive in Preset Time the response message that card reading module returns, if receive response message, then by response message transaction data as a result, if do not receive response message, then by the information transaction data as a result of prompting card reading module time-out.

19. methods as claimed in claim 17, it is characterized in that, in described step y3 when Bluetooth receptions mark is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step y3, otherwise, display fiscard balance amount information, set queries the balance mark, returns step y3.

The method of work of 20. terminals as claimed in claim 1, it is characterized in that, described method comprises: step z1: power-up initializing, and reset each mark, controls described bluetooth module and powers on, configure described bluetooth module, open communicating interrupt service;

When USB communicating interrupt service timer reaches USB communication preset value, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, then reset USB communication symbol; When bluetooth communication break in service timer reaches bluetooth communication preset value, bluetooth communication break in service is triggered, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception to interrupt, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

Step z2: open the break in service of timing Card Reader, obtain card ident value;

Step z3: check whether USB receiving flag is set, if so, then reset USB receiving flag, set USB Returning mark, perform step z4, otherwise check whether Bluetooth receptions mark is set, if Bluetooth receptions mark is set, then reset Bluetooth receptions mark, set bluetooth Returning mark, perform step z4, if Bluetooth receptions mark is not set, then return step z3;

Step z4: obtain result transaction data according to card ident value;

Step z5: check whether USB Returning mark is set, if so, then reset USB Returning mark, by described usb interface module, result transaction data is returned to described host computer, perform step z6, otherwise, check whether bluetooth Returning mark is set, if, then reset bluetooth Returning mark, returns to described host computer by described bluetooth module by result transaction data, performs step z7, if bluetooth Returning mark is not set, then perform step z7;

Step z6: check whether USB communication symbol is set, and if so, then returns step z3, otherwise close the service of usb data receive interruption, reset USB respectively indicates, returns step z3;

Step z7: check whether bluetooth communication mark is set, and if so, then returns step z3, otherwise close Bluetooth data reception break in service, reset bluetooth respectively indicates, returns step z3.

21. methods as claimed in claim 20, it is characterized in that, described step z2 specifically comprises: open the break in service of timing Card Reader, obtain card ident value;

When Card Reader timer reaches Card Reader preset value, the break in service of timing Card Reader is triggered, and detects whether have contact card, if contactless card, then card ident value is set to the first preset value, starts card seeking, if obtain the response of non-contact card, card ident value is set to the 3rd preset value; If there is contact card, card ident value is set to the second preset value;

Step z4 specifically comprises: check card ident value, if the first preset value, by the information as a result transaction data of prompting without card, if the second preset value or the 3rd preset value, requests transaction data are sent to described card reading module, judge whether to receive in Preset Time the response message that card reading module returns, if receive response message, then by response message transaction data as a result, if do not receive response message, then by the information transaction data as a result of prompting card reading module time-out.

22. methods as claimed in claim 20, it is characterized in that, described step z1 specifically comprises: power-up initializing, power supplying control signal is sent to described power management module, control described power management module to power on, reset each mark, powers on to described bluetooth module, configure described bluetooth module, open communicating interrupt service;

When USB communicating interrupt service timer reaches USB communication preset value, the service of USB communicating interrupt is triggered, when whether the supply voltage detecting described usb interface module is high level, if high level, then open the service of usb data receive interruption, set USB communication symbol, if low level, reset USB communication symbol, opens timing shutdown break in service, opens shutdown timer; When bluetooth communication break in service timer reaches bluetooth communication preset value, bluetooth communication break in service is triggered, open timing shutdown break in service, open shutdown timer, whether the feedback voltage detecting described bluetooth module is low level, if low level, then open Bluetooth data reception break in service, set bluetooth communication mark, otherwise, reset bluetooth communication mark;

When described usb interface module has packet to import into and the form of packet meets the regulation of usb protocol, the service of usb data receive interruption is triggered, when getting requests transaction data, and set USB receiving flag, when not getting requests transaction data, reset USB receiving flag; When described bluetooth module has packet to import into and packet is legal, Bluetooth data reception break in service is triggered, when getting requests transaction data, and set Bluetooth receptions mark, when not getting requests transaction data, reset Bluetooth receptions mark;

When the timer that shuts down reaches default unlatching value, timing shutdown break in service is triggered, judge whether shutdown counter is greater than default shutdown value, if, then shutdown counter is set to initial value, set timing shutdown mark, exits timing shutdown and interrupt, otherwise, directly exit timing shutdown and interrupt.

In described step t3, when USB receiving flag is set, also comprise timeing closing shutdown break in service, reset timing shutdown mark, is set to initial value by shutdown counter; When Bluetooth receptions mark is set, also comprise, timeing closing shutdown break in service, reset timing shutdown mark, is set to initial value by shutdown counter; When Bluetooth receptions mark is not set, also comprise: check whether timing shutdown mark is set, if timing shutdown is set, then lower electricity shutdown, if timing shutdown mark is not set, then returns step t3.

23. methods as described in claim 20 or 22, it is characterized in that, in described step z3 when Bluetooth receptions mark is not set, also comprise: whether the mark that queries the balance is set, and if so, then returns step z3, otherwise, display fiscard balance amount information, set queries the balance mark, returns step z3.